Overview
The MC7818CTG is a linear voltage regulator produced by onsemi, designed to provide a stable and regulated output voltage of 18 volts. This device is part of the MC78XX series, known for its reliability and robust performance in various electronic systems. The MC7818CTG is available in a TO-220 package, which is lead-free and suitable for surface mount applications.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 17.64 | 18 | 18.36 | Vdc |
| Input Voltage Range | VI | 20 | 35 | Vdc | |
| Minimum Operating Temperature | TJ | 0 | 125 | °C | |
| Power Dissipation | PD | Internally Limited | W | ||
| Thermal Resistance, Junction-to-Ambient | RJA | 65 | °C/W | ||
| Line Regulation (7.5 Vdc ≤ Vin ≤ 25 Vdc, IO = 1 A) | Regline | 0.5 | 1.3 | mV | |
| Load Regulation (5 mA ≤ IO ≤ 1 A) | Regload | 1.3 | 25 | mV | |
| Quiescent Current | IB | 3.2 | 6.5 | 8.0 | mA |
| Peak Output Current (TJ = 25°C) | Imax | 2.2 | A | ||
| Short Circuit Current Limit (TA = 25°C) | ISC | 0.2 | A |
Key Features
- Internal Thermal Overload Protection: Protects the device from overheating.
- Internal Short Circuit Current Limiting: Limits the output current to prevent damage from short circuits.
- Output Transistor Safe-Area Compensation: Ensures the output transistor operates within safe limits.
- Output Voltage Tolerance: Available in 1.5%, 2%, and 4% tolerance options.
- Pb-Free and AEC-Q100 Qualified: Suitable for automotive and other applications requiring unique site and control change requirements.
- Available in Various Packages: Including TO-220, D2PAK-3, and DPAK-3 packages.
Applications
- Automotive Systems: Due to its AEC-Q100 qualification, it is suitable for use in automotive electronics.
- Industrial Control Systems: Used in various industrial control and automation applications requiring stable voltage regulation.
- Consumer Electronics: Found in consumer devices that require reliable and stable power supply.
- Medical Devices: Used in medical equipment where precise voltage regulation is critical.
Q & A
- What is the output voltage of the MC7818CTG?
The output voltage of the MC7818CTG is 18 volts.
- What is the input voltage range for the MC7818CTG?
The input voltage range for the MC7818CTG is from 20 V to 35 V.
- What is the minimum operating temperature for the MC7818CTG?
The minimum operating temperature for the MC7818CTG is 0°C.
- Does the MC7818CTG have internal thermal overload protection?
Yes, the MC7818CTG has internal thermal overload protection.
- What is the quiescent current of the MC7818CTG?
The quiescent current of the MC7818CTG ranges from 3.2 mA to 8.0 mA.
- What is the peak output current of the MC7818CTG?
The peak output current of the MC7818CTG is 2.2 A.
- Is the MC7818CTG Pb-free?
Yes, the MC7818CTG is lead-free.
- What are the available packages for the MC7818CTG?
The MC7818CTG is available in TO-220, D2PAK-3, and DPAK-3 packages.
- Is the MC7818CTG AEC-Q100 qualified?
Yes, the MC7818CTG is AEC-Q100 qualified, making it suitable for automotive applications.
- What are some common applications of the MC7818CTG?
The MC7818CTG is commonly used in automotive systems, industrial control systems, consumer electronics, and medical devices.
